/
/
Parts town. Get real parts faster

Shopping Cart

Skip to NavigationSkip to Content
Loading...
Loading...
CAD
Multi-SKU Order
LoginRegister
Parts town. Get real parts faster

Find Equipment Manuals

Loading...
Loading...
  1. Home
  2. /
  3. Lochinvar
  4. /
  5. EFC199N

get special offers & news from parts town

800.239.5152
Loading...
Loading...
visa
visa
mastercard
mastercard
american-express
american-express
discover
discover
paypal
paypal
© 2026 Parts Town. All rights reserved.
Loading...
visa
visa
mastercard
mastercard
american-express
american-express
discover
discover
paypal
paypal

Stock Up on Real OEM HVAC Parts for the Summer Season! SHOP NOW

Call: 800.239.5152
Hvac Parts
TECHTOWN
Track My Order

Happy Labour Day! We’ll be closed on Monday, September 7th to enjoy a quick labour-free day. We’ll be back on Tuesday the 8th, ready to work.

Help Desk

  • Contact Us
  • Shipping
  • Taxes And Fees
  • Returns
  • FAQ

Inside Parts Town

  • About Us
  • Careers
  • Our Difference
  • Resource Center
  • Parts Town Blog
  • techtown
  • International

Technology and Innovations

  • Parts Town App
  • Serial Number Lookup
  • Smart Manuals
  • Website Features
  • Terms of Use
  • Privacy Policy
  • Privacy Request

Parts Town Logo

1-Hour Pickup Available

Part Category

  • Air Shutters(1)
  • Bezels(1)
  • Burners(3)
  • Controls(10)
  • Conversion Kits(1)
  • Decals, Labels & Overlays(3)
  • Disconnects, Couplings & Collars(2)
  • Diverters & Deflectors(1)
  • Doors & Hardware(3)
  • Fan & Blower Motors(2)
  • Gaskets & Seals(19)
  • Gauge Glass(1)
  • Hoses, Pipes & Tubing(6)
  • Ignitors & Electrodes(1)
  • Insulation(4)
  • O-Rings(1)
  • Panels, Covers & Lids(2)
  • Plates(3)
  • Probes & Sensors(5)
  • Pumps & Motors(3)
  • Switches & Buttons(3)
  • Transformers(1)
  • Valves, Solenoids & Fittings(12)
  • Water Level Controls(1)
  • Wires, Cables & Hardware(4)
Cool,Calm and Collected- Real OEM HVAC Pars Are in Season! SHOP NOW

Model: EFC199N

Manuals Available: 4

Installation & Operation Manual

View Manual

Operation Manual

View Manual

Parts Manual

View Manual

Service Manual

View Manual

Lochinvar EFC199N Parts & Manuals

Lochinvar EFC199N Parts & Manuals

Manufacturer:

Model #:

Lochinvar

EFC199N

EPIC Fire Tube Combination Gas Boiler

EPIC Fire Tube Combination Gas Boiler

Part Category

  • Air Shutters(1)
  • Bezels(1)
  • Burners(3)
  • Controls(10)
  • Conversion Kits(1)
  • Decals, Labels & Overlays(3)
  • Disconnects, Couplings & Collars(2)
  • Diverters & Deflectors(1)
  • Doors & Hardware(3)
  • Fan & Blower Motors(2)
  • Gaskets & Seals(19)
  • Gauge Glass(1)
  • Hoses, Pipes & Tubing(6)
  • Ignitors & Electrodes(1)
  • Insulation(4)
  • O-Rings(1)
  • Panels, Covers & Lids(2)
  • Plates(3)
  • Probes & Sensors(5)
  • Pumps & Motors(3)
  • Switches & Buttons(3)
  • Transformers(1)
  • Valves, Solenoids & Fittings(12)
  • Water Level Controls(1)
  • Wires, Cables & Hardware(4)
Cool,Calm and Collected- Real OEM HVAC Pars Are in Season! SHOP NOW

Lochinvar 100266999 K,FAN,KH55-155/WH56-156,NKC110-150

Lochinvar
  • Mfr Part # 100266999
  • Parts Town # LOC100266999
  • Quantity0

Out of Stock, backorders usually ship in 10-12 days.

Lochinvar 100274751 Gasket, Sight Glass

Lochinvar
  • Mfr Part # 100274751
  • Parts Town # LOC100274751
  • Quantity0

Out of Stock, backorders usually ship in 10-12 days.

Lochinvar 100274752 Gasket, Sight Glass

Lochinvar
  • Mfr Part # 100274752
  • Parts Town # LOC100274752
  • Quantity0

Out of Stock, backorders usually ship in 12-14 days.

Lochinvar 100275478 K,HEAT EXCHANGER ASSY,NKB/NKC 110

Lochinvar
  • Mfr Part # 100275478
  • Parts Town # LOC100275478
  • Quantity0

Out of stock, but not out of mind! Place your order now and we'll get it to you ASAP.

Lochinvar 100275479 K,HEAT EXCHANGER ASSY,NKB/NKC 150

Lochinvar
  • Mfr Part # 100275479
  • Parts Town # LOC100275479
  • Quantity0

Out of stock, but not out of mind! Place your order now and we'll get it to you ASAP.

Lochinvar 100275480 K,HEX ASSY,199 KBTU,NKC

Lochinvar
  • Mfr Part # 100275480
  • Parts Town # LOC100275480
  • Quantity0

Out of stock, but not out of mind! Place your order now and we'll get it to you ASAP.

Lochinvar 100275501 K,HEAT EXCHANGER,BRAZED PLATE

Lochinvar
  • Mfr Part # 100275501
  • Parts Town # LOC100275501
  • Quantity0

Out of Stock, backorders usually ship in 13-15 days.

Lochinvar 100275502 K,CONNECTION BOARD,COMBI

Lochinvar
  • Mfr Part # 100275502
  • Parts Town # LOC100275502
  • Quantity0

Out of Stock, backorders usually ship in 12-14 days.

Lochinvar 100275507 K,BOARD,CONTROL,MAIN,NKC110

Lochinvar
  • Mfr Part # 100275507
  • Parts Town # LOC100275507
  • Quantity0

Out of stock, but not out of mind! Place your order now and we'll get it to you ASAP.

Lochinvar 100275522 K,BOARD,CONTROL,HIGH ALT,NKC110

Lochinvar
  • Mfr Part # 100275522
  • Parts Town # LOC100275522
  • Quantity0

Out of stock, but not out of mind! Place your order now and we'll get it to you ASAP.

Lochinvar 100275525 K,CONTROL BOARD,USER INTERFACE

Lochinvar
  • Mfr Part # 100275525
  • Parts Town # LOC100275525
  • Quantity0

Out of stock, but not out of mind! Place your order now and we'll get it to you ASAP.

Lochinvar 100275526 K,LABEL,CONTROL OVERLAY,ALL

Lochinvar
  • Mfr Part # 100275526
  • Parts Town # LOC100275526
  • Quantity0

Out of stock, but not out of mind! Place your order now and we'll get it to you ASAP.

Lochinvar 100275532 Gas Valve, 24V, NKB 080-199/NKC 110-199

Lochinvar
  • Mfr Part # 100275532
  • Parts Town # LOC100275532
  • Quantity0

Out of stock, but not out of mind! Place your order now and we'll get it to you ASAP.

Lochinvar 100275533 Switch, Gas On/Off

Lochinvar
  • Mfr Part # 100275533
  • Parts Town # LOC100275533
  • Quantity0

Out of Stock, backorders usually ship in 8-10 days.

Lochinvar 100275534 K,FLANGE,GAS VALVE,W/GASKET,ALL

Lochinvar
  • Mfr Part # 100275534
  • Parts Town # LOC100275534
  • Quantity0

Out of stock, but not out of mind! Place your order now and we'll get it to you ASAP.

Lochinvar 100275537 K,ADAPTER,GAS VALVE UNION,W/GASKET

Lochinvar
  • Mfr Part # 100275537
  • Parts Town # LOC100275537
  • Quantity0

Out of stock, but not out of mind! Place your order now and we'll get it to you ASAP.

Lochinvar 100275539 K,VENTURI,NAT,NKB 080-110/NKC 110

Lochinvar
  • Mfr Part # 100275539
  • Parts Town # LOC100275539
  • Quantity0

Out of stock, but not out of mind! Place your order now and we'll get it to you ASAP.

Lochinvar 100275540 K,VENTURI,NAT,NKB/NKC 199

Lochinvar
  • Mfr Part # 100275540
  • Parts Town # LOC100275540
  • Quantity0

Out of stock, but not out of mind! Place your order now and we'll get it to you ASAP.

Lochinvar 100275550 K,COUPLING,VENTURI W/CLAMPS,ALL

Lochinvar
  • Mfr Part # 100275550
  • Parts Town # LOC100275550
  • Quantity0

Out of stock, but not out of mind! Place your order now and we'll get it to you ASAP.

Lochinvar 100275567 K,HEX TOP PLATE,W/GASKET,NKC110

Lochinvar
  • Mfr Part # 100275567
  • Parts Town # LOC100275567
  • Quantity0

Out of stock, but not out of mind! Place your order now and we'll get it to you ASAP.

Lochinvar 100275568 K,HEX TOP PLATE,W/GASKET,NKC150

Lochinvar
  • Mfr Part # 100275568
  • Parts Town # LOC100275568
  • Quantity0

Out of stock, but not out of mind! Place your order now and we'll get it to you ASAP.

Lochinvar 100275569 K,HEX TOP PLATE,W/GASKET,NKC199

Lochinvar
  • Mfr Part # 100275569
  • Parts Town # LOC100275569
  • Quantity0

Out of stock, but not out of mind! Place your order now and we'll get it to you ASAP.

Lochinvar 100275572 K,GASKET,HEX,TOP PLATE,NKC110

Lochinvar
  • Mfr Part # 100275572
  • Parts Town # LOC100275572
  • Quantity0

Out of stock, but not out of mind! Place your order now and we'll get it to you ASAP.

Lochinvar 100275573 K,GASKET,HEX,TOP PLATE,NKC150

Lochinvar
  • Mfr Part # 100275573
  • Parts Town # LOC100275573
  • Quantity0

Out of stock, but not out of mind! Place your order now and we'll get it to you ASAP.

123